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lucataco/omnigen2
Official
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OmniGen2: a powerful and efficient unified multimodal model
Capabilities
1:1 4:3 3:4 16:9 9:16 2:3 3:2
Reference Images
Negative Prompt
Seed
Cost
Community model (estimated from hardware time)
Input Parameters
| Name | Type | Description | Default | Constraints |
|---|---|---|---|---|
image * | string (uri) | Input image to edit | — | — |
cfg_range_end | number | CFG range end | 1 | min: 0, max: 1 |
cfg_range_start | number | CFG range start | 0 | min: 0, max: 1 |
height | integer | Height of output image | 1024 | min: 256, max: 1024 |
image_2 | string (uri) | Optional second input image for multi-image operations | — | — |
image_3 | string (uri) | Optional third input image for multi-image operations | — | — |
image_guidance_scale | number | Guidance scale for input image. Higher values increase consistency with input image | 2 | min: 1, max: 3 |
max_input_image_side_length | integer | Maximum input image side length | 2048 | min: 256, max: 2048 |
max_pixels | integer | Maximum number of pixels in output | 1048576 | min: 65536, max: 2359296 |
negative_prompt | string | Negative prompt to guide what should not be in the image | "(((deformed))), blurry, over saturation, bad anatomy, disfigured, poorly drawn face, mutation, mutated, (extra_limb), (ugly), (poorly drawn hands), fused fingers, messy drawing, broken legs censor, censored, censor_bar" | — |
num_inference_steps | integer | Number of denoising steps | 50 | min: 20, max: 100 |
prompt | string | Text prompt describing the desired image edit | "Make the person smile" | — |
scheduler | string | Scheduler to use | "euler" | euler dpmsolver |
seed | integer | Random seed. Set to -1 for random seed | -1 | — |
text_guidance_scale | number | Guidance scale for text prompt | 5 | min: 1, max: 8 |
width | integer | Width of output image | 1024 | min: 256, max: 1024 |
image required string Input image to edit
cfg_range_end number CFG range end
Default:
1 min: 0, max: 1 cfg_range_start number CFG range start
Default:
0 min: 0, max: 1 height integer Height of output image
Default:
1024 min: 256, max: 1024 image_2 string Optional second input image for multi-image operations
image_3 string Optional third input image for multi-image operations
image_guidance_scale number Guidance scale for input image. Higher values increase consistency with input image
Default:
2 min: 1, max: 3 max_input_image_side_length integer Maximum input image side length
Default:
2048 min: 256, max: 2048 max_pixels integer Maximum number of pixels in output
Default:
1048576 min: 65536, max: 2359296 negative_prompt string Negative prompt to guide what should not be in the image
Default:
"(((deformed))), blurry, over saturation, bad anatomy, disfigured, poorly drawn face, mutation, mutated, (extra_limb), (ugly), (poorly drawn hands), fused fingers, messy drawing, broken legs censor, censored, censor_bar" num_inference_steps integer Number of denoising steps
Default:
50 min: 20, max: 100 prompt string Text prompt describing the desired image edit
Default:
"Make the person smile" scheduler string Scheduler to use
Default:
"euler" euler dpmsolver
seed integer Random seed. Set to -1 for random seed
Default:
-1 text_guidance_scale number Guidance scale for text prompt
Default:
5 min: 1, max: 8 width integer Width of output image
Default:
1024 min: 256, max: 1024 Version:
5b9ea1d0821a Updated: 2/26/2026 2.2K runs